The heroine Xia Wan was devastated by the death of her childhood sweetheart Cheng Hao, and has been unable to get out of this shadow. She can even see the phantom of her boyfriend and talk to him. During the healing process, I met Ding Min, a girl with the same problem. But Ding Min came out of the shadows and was about to get married to her boyfriend. In order to cure Xia Wan's mental illness, Ding Min found a new roommate for her - Xiao Ran. Xiao Ran is the monitor of Xiawan High School and is now a well-known psychiatrist. Xiao Ran's secret love for Xia Wan began in high school. Now that we have the opportunity to live together, doctors and patients will be in the same room, and there will be a sweet development~